<template>
  <button @click="add">测试</button>
</template>
<script>
export default {
  data() {
    return {
      chat: null,
      isLoad: false
    }
  },
  methods: {
    add() {}
  },
  mounted() {
    console.log(999)
    this.isLoad = true
  }
}
</script>
